-9(1+k)=171

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Solution for -9(1+k)=171 equation: 



-9(1+k)=171

We move all terms to the left:

-9(1+k)-(171)=0

We add all the numbers together, and all the variables

-9(k+1)-171=0

We multiply parentheses

-9k-9-171=0

We add all the numbers together, and all the variables

-9k-180=0

We move all terms containing k to the left, all other terms to the right

-9k=180

k=180/-9

k=-20

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